Finding the Fourth Proportional to 320,970.60, 481,184.96 and 202,380.53
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Solution
The fourth proportional to 320,970.60, 481,184.96 and 202,380.53 is: 303,399.95
Step by Step Solution
- Step 1: Write the proportion equation
320,970.60 : 481,184.96 = 202,380.53 : x - Step 2: Convert to fraction form
320,970.60/481,184.96 = 202,380.53/x - Step 3: Cross multiply
320,970.60x = 481,184.96 × 202,380.53 - Step 4: Simplify right side
320,970.60x = 97,382,463,815.00 - Step 5: Solve for x
x = 97,382,463,815.00/320,970.60 - Step 6: Final answer
x = 303,399.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.